Logitech LX 6 Cordless Optical Mouse, Black/Silver (LOG910000485)

The high-definition optical sensor on this cordless mouse provides two-and-a-half times the responsiveness of a standard optical mouse. The soft rubber grip and contoured shape offer cordless freedom and comfort. The Tilt Wheel Plus Zoom™ feature provides effortless side-to-side scrolling; perfect for viewing digital photos and spreadsheets. Instantly zoom in and out; scroll horizontally or vertically. Enjoy up to eight months of use before battery replacement; longer if you use the on/off switch. Battery indicator light lets you work without interruption.